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A solid sphere of radius R made of a mat...

A solid sphere of radius R made of a material of bulk modulus K is surrounded by a liquid in a cylindrical container. A massless pistion of area A floats on the surface of the liquid. When a mass M is placed on the piston to compress the liquid the fractional change in the radius of the sphere, `deltaR//R`, is .............

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The correct Answer is:
`(Delta R)/(R )=(Mg)/(3 A k)`
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